EduSahara™ Worksheet

EduSahara™ Worksheet

Name : Chapter Based Worksheet

Chapter : Factors and Multiples

Grade : ICSE Grade VIII

License : Non Commercial Use

Question 1

1.

Find the HCF of
{120,432}

(i)

25
(ii)

24
(iii)

27
(iv)

21
(v)

23

Question 2

2.

Find the HCF of
{152,184,16}

(i)

6
(ii)

8
(iii)

9
(iv)

10
(v)

7

Question 3

3.

The factors of 70 =

(i)

{1,2,5,7,10,14,35,69}
(ii)

{1,2,5,7,10,14,35,70}
(iii)

{1,2,5,7,10,14,35,70,69}
(iv)

{1,2,5,7,10,14,35,70,11,15}
(v)

{1,2,5,7,10,70,3,11}

Question 4

4.

Find the prime factorization of
2800

(i)

4 4

✕

5 2

✕

7
(ii)

(-1) 4

✕

5 2

✕

7
(iii)

2 4

✕

5 2

✕

7 2
(iv)

2 4

✕

5

✕

7
(v)

2 4

✕

5 2

✕

7

Question 5

5.

Find the LCM of
{4,9}

(i)

35
(ii)

36
(iii)

37
(iv)

33
(v)

38

Question 6

6.

Find the LCM of
{6,14}

(i)

42
(ii)

41
(iii)

43
(iv)

40
(v)

44

Question 7

7.

Find all common factors of 7 and 47

(i)

{1,47}
(ii)

{1}
(iii)

{1,7}
(iv)

{7}
(v)

{47}

Question 8

8.

Find the product of LCM and HCF of
{12,25,26,14}

(i)

27299
(ii)

27301
(iii)

27302
(iv)

27300
(v)

27298

Question 9

9.

Find the product of LCM and HCF of
{8,6}

(i)

48
(ii)

47
(iii)

49
(iv)

45
(v)

51

Question 10

10.

Find the LCM of
{9,8,18}

(i)

74
(ii)

72
(iii)

70
(iv)

71
(v)

73

Question 11

11.

The factors of 7 =

(i)

{1,2}
(ii)

{6,2}
(iii)

{1,7,2,6}
(iv)

{1,7}
(v)

{1,7,6}

Question 12

12.

The factors of 5 =

(i)

{5,2}
(ii)

{1,5}
(iii)

{4,2}
(iv)

{1,5,2}
(v)

{1,5,4,2}

Question 13

13.

Find the prime factorization of
9

(i)

1
(ii)

3
(iii)

3 2
(iv)

6 2
(v)

3 3

Question 14

14.

Find the LCM of
{40,72,48,96}

(i)

1440
(ii)

1441
(iii)

1437
(iv)

1443
(v)

1439

Question 15

15.

Which of the following numbers is divisible by 6?

(i)

2530
(ii)

2532
(iii)

2531
(iv)

2534
(v)

2533

Question 16

16.

Which of the following numbers is divisible by 10?

(i)

9579
(ii)

9578
(iii)

9582
(iv)

9580
(v)

9581

Question 17

17.

Which of the following numbers is divisible by 5?

(i)

5751
(ii)

5752
(iii)

5750
(iv)

5748
(v)

5749

Question 18

18.

Find the smallest perfect square which is divisible by each of the numbers 4,16,15

(i)

3600
(ii)

7200
(iii)

3841
(iv)

3602
(v)

960

Question 19

19.

Find the LCM of
{168,336,120}

(i)

1680
(ii)

1683
(iii)

1678
(iv)

1679
(v)

1681

Question 20

20.

Find the number of prime factors of
792

(i)

0
(ii)

3
(iii)

4
(iv)

1
(v)

2

Question 21

21.

Which of the following numbers is divisible by 11?

(i)

6205
(ii)

6202
(iii)

6206
(iv)

6204
(v)

6203

Question 22

22.

Which of the following numbers is divisible by 7?

(i)

3117
(ii)

3113
(iii)

3115
(iv)

3116
(v)

3114

Question 23

23.

Find the number of prime factors of
80

(i)

3
(ii)

4
(iii)

1
(iv)

2
(v)

0

Question 24

24.

Find the HCF of
{492,168,372,108}

(i)

13
(ii)

12
(iii)

11
(iv)

10
(v)

15

Question 25

25.

Find all common factors of 44 , 24 and 18

(i)

{1,2}
(ii)

{1,2,11}
(iii)

{1,8}
(iv)

{1,44}
(v)

{1,2,12}

Assignment Key